Bones 8×24 The Secret in the Siege Season Finale, Synopsis Spoilers

When evil tech genius Christopher Pelant (guest star Andrew Leeds) returns to toy with the Jeffersonian team in their newest investigation, they discover a string of murders tied to FBI agents close to Booth (David Boreanaz). Meanwhile, as the investigation unfolds, Sweets (John Francis Daley) realizes that the evidence seems all too familiar to him, and Brennan (Emily Deschanel) starts evaluating her relationship with Booth as signs begin to point to him as a potential target of Pelant’s.